Keyword search (4,163 papers available)

"J Phys Chem B" Category Publications:

Title Authors PubMed ID
1 Evidence of Simultaneous Spectral Hole Burning Involving Two Tiers of the Protein Energy Landscape in Cytochrome b6f. Shafiei G, Levenberg A, Lujan MA, Picorel R, Zazubovich V 31763829
PHYSICS
2 How Well Does the Hole-Burning Action Spectrum Represent the Site-Distribution Function of the Lowest-Energy State in Photosynthetic Pigment-Protein Complexes? Zazubovich V, Jankowiak R 31265294
CHEMISTRY
3 Comparison of Electronic and Physicochemical Properties between Imidazolium-Based and Pyridinium-Based Ionic Liquids. Wu C, De Visscher A, Gates ID 29889524
ENCS
4 Low-temperature protein dynamics of the B800 molecules in the LH2 light-harvesting complex: spectral hole burning study and comparison with single photosynthetic complex spectroscopy. Grozdanov D, Herascu N, Reinot T, Jankowiak R, Zazubovich V 20166717
PHYSICS
5 Parameters of the protein energy landscapes of several light-harvesting complexes probed via spectral hole growth kinetics measurements. Herascu N, Najafi M, Amunts A, Pieper J, Irrgang KD, Picorel R, Seibert M, Zazubovich V 21391534
PHYSICS
6 Effects of the distributions of energy or charge transfer rates on spectral hole burning in pigment-protein complexes at low temperatures. Herascu N, Ahmouda S, Picorel R, Seibert M, Jankowiak R, Zazubovich V 22046956
PHYSICS
7 Spectral hole burning, recovery, and thermocycling in chlorophyll-protein complexes: distributions of barriers on the protein energy landscape. Najafi M, Herascu N, Seibert M, Picorel R, Jankowiak R, Zazubovich V 22957798
PHYSICS
8 Modeling of various optical spectra in the presence of slow excitation energy transfer in dimers and trimers with weak interpigment coupling: FMO as an example. Herascu N, Kell A, Acharya K, Jankowiak R, Blankenship RE, Zazubovich V 24506338
PHYSICS
9 Fluorescence line narrowing and Δ-FLN spectra in the presence of excitation energy transfer between weakly coupled chromophores. Zazubovich V 25369116
PHYSICS
10 Conformational Changes in Pigment-Protein Complexes at Low Temperatures-Spectral Memory and a Possibility of Cooperative Effects. Najafi M, Herascu N, Shafiei G, Picorel R, Zazubovich V 25985255
PHYSICS
11 Monte Carlo Modeling of Spectral Diffusion Employing Multiwell Protein Energy Landscapes: Application to Pigment-Protein Complexes Involved in Photosynthesis. Najafi M, Zazubovich V 26020801
PHYSICS
12 Probing Energy Landscapes of Cytochrome b6f with Spectral Hole Burning: Effects of Deuterated Solvent and Detergent. Levenberg A, Shafiei G, Lujan MA, Giannacopoulos S, Picorel R, Zazubovich V 28956922
PHYSICS
13 Effect of Saturated Very Long-Chain Fatty Acids on the Organization of Lipid Membranes: A Study Combining (2)H NMR Spectroscopy and Molecular Dynamics Simulations Adrian Paz Ramos 27351151
CERMM
14 Spectral Hole Burning in Cyanobacterial Photosystem I with P700 in Oxidized and Neutral States. Herascu N, Hunter MS, Shafiei G, Najafi M, Johnson TW, Fromme P, Zazubovich V 27661089
CHEMBIOCHEM
15 Mechanism of the Nitric Oxide Dioxygenase Reaction of Mycobacterium tuberculosis Hemoglobin N Lavinia A Carabet 28835102
CERMM
16 Cation-π Interactions between Quaternary Ammonium Ions and Amino Acid Aromatic Groups in Aqueous Solution Esam A Orabi 29397727
CERMM
17 Modeling Protein S-Aromatic Motifs Reveals Their Structural and Redox Flexibility Esam A Orabi 29533644
CERMM

 

Title:Comparison of Electronic and Physicochemical Properties between Imidazolium-Based and Pyridinium-Based Ionic Liquids.
Authors:Wu C,  De Visscher A,  Gates ID
Link:https://www.ncbi.nlm.nih.gov/pubmed/29889524?dopt=Abstract
Publication:
Keywords:
PMID:29889524 Category:J Phys Chem B Date Added:2019-06-04
Dept Affiliation: ENCS
1 Department of Chemical and Petroleum Engineering, Schulich School of Engineering , University of Calgary , Calgary , Alberta , Canada T2N 1N4.
2 Department of Chemical and Materials Engineering, Faculty of Engineering and Computer Science , Concordia University , Montreal , Quebec , Canada H3G 1M8.

Description:

Comparison of Electronic and Physicochemical Properties between Imidazolium-Based and Pyridinium-Based Ionic Liquids.

J Phys Chem B. 2018 07 05;122(26):6771-6780

Authors: Wu C, De Visscher A, Gates ID

Abstract

To compare 1-butyl-3-methylimidazolium ([BMIM]+)- and 1-butyl-3-methylpyridinium ([BMPy]+)-based ionic liquids (ILs) and investigate the influence of intramolecular and intermolecular interactions on physicochemical properties, a systematic study was performed on the electronic structures and physicochemical properties of [BMIM]+ tetrafluoroborate ([BMIM][BF4]), [BMIM]+ hexafluorophosphate ([BMIM][PF6]), [BMIM]+ hydrogen sulfate ([BMIM][HSO4]), [BMIM]+ methylsulfate ([BMIM][MSO4]), [BMIM]+ ethylsulfate ([BMIM][ESO4]), [BMPy]+ tetrafluoroborate ([BMPy][BF4]), [BMPy]+ hexafluorophosphate ([BMPy][PF6]), [BMPy]+ hydrogen sulfate ([BMPy][HSO4]), [BMPy]+ methylsulfate ([BMPy][MSO4]), and [BMPy]+ ethylsulfate ([BMPy][ESO4]) using density functional theory and molecular dynamics simulation. The results reveal that aggregation behavior exists in [HSO4]-- and [ESO4]--based ILs, and the differences between their densities and self-diffusion coefficients are smaller when there is an aggregation effect in ILs. A dimer is formed by two strong hydrogen bonds between two [HSO4]- anions in [HSO4]-based ILs, and the existence of hydrogen bonds in ILs increases density and decreases the self-diffusion coefficient. The intermolecular interaction strength of [BMIM]+-based ILs is stronger than that of [BMPy]+-based ILs.

PMID: 29889524 [PubMed]




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